/Engine/Plugins/Experimental/Water/Source/Runtime/Public/WaterMeshComponent.h
virtual void CollectPSOPrecacheData ( const [FPSOPrecacheParams](API\Runtime\Engine\FPSOPrecacheParams) & BasePrecachePSOParams, [FComponentPSOPrecacheParamsList](API\Runtime\Engine\Components\UPrimitiveComponent\FComponentPSOPrecacheParamsList) & OutParams )